Related Topics:
Common Core (The Complex Number System)
Common Core for Mathematics
Examples, solutions, videos, and lessons to help High School students know how to use the relation
i2 = –1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.
Suggested Learning Targets
- I can add complex numbers
- I can subtract complex numbers
- I can multiply complex numbers
Common Core: HSN-CN.A.2
The following table shows how to add and multiply complex numbers. Scroll down the page for more examples and solutions.

Add and Subtract Complex Numbers
Adding Complex Numbers
Complex Numbers - Graphing, Adding, Subtracting.
Adding and Subtracting Complex (Imaginary) Numbers.
Introduction to complex numbers. Adding, subtracting and multiplying complex numbers.
Multiply Complex Numbers
Multiplying Complex Numbers.
Complex Numbers: Multiplying - Ex 1.
Examples of multiplying two complex numbers and simplifying.
Complex Numbers: Multiplying - Ex 2.
Example of multiplying three complex numbers and simplifying.
Multiply Complex Numbers
This video provides examples of how to multiply complex numbers.
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